issue with php-zip

HI

With a fresh installation on a fresh debian I have this Issue

"Sorry, it seems that the PHP .zip extension is not loaded on your server. You will not be able to download any projects using Project Installer until this is fixed. Please contact your website administrator. "

but php-zip seems well installed.So, what i've missed and what I have to do ?

$ php -m
[PHP Modules]
calendar
Core
ctype
curl
date
dom
exif
fileinfo
filter
ftp
gd
gettext
hash
iconv
json
libxml
mbstring
mysqli
mysqlnd
openssl
pcntl
pcre
PDO
pdo_mysql
Phar
posix
readline
Reflection
session
shmop
SimpleXML
sockets
sodium
SPL
standard
sysvmsg
sysvsem
sysvshm
tokenizer
wddx
xml
xmlreader
xmlwriter
xsl
Zend OPcache
zip
zlib

[Zend Modules]
Zend OPcache